Home / 77,162,313.34-106,435,556.58-45,778,142.85

Finding the Fourth Proportional to 77,162,313.34, 106,435,556.58 and 45,778,142.85

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Solution

The fourth proportional to 77,162,313.34, 106,435,556.58 and 45,778,142.85 is: 63,145,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,313.34 : 106,435,556.58 = 45,778,142.85 : x
  2. Step 2: Convert to fraction form
    77,162,313.34/106,435,556.58 = 45,778,142.85/x
  3. Step 3: Cross multiply
    77,162,313.34x = 106,435,556.58 × 45,778,142.85
  4. Step 4: Simplify right side
    77,162,313.34x = 4,872,422,113,438,498
  5. Step 5: Solve for x
    x = 4,872,422,113,438,498/77,162,313.34
  6. Step 6: Final answer
    x = 63,145,101.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.